public async Task GetAdsByCategorySubcategoryViewModelsAsync_WithInvalidCategoryId_ShouldThrowAndInvalidArgumentException()
{
//Arrange
var expectedErrorMessage = "Category with the given id doesn't exist!";
var context = InitializeContext.CreateContextForInMemory();
subcategoriesService = new SubCategoriesService(context);
//Act and assert
var ex = await Assert.ThrowsAsync <ArgumentException>(() =>
subcategoriesService.GetAdsByCategorySubcategoryViewModelsAsync(1));
Assert.Equal(expectedErrorMessage, ex.Message);
}
public async Task <AdsByCategoryViewModel> GetAdsByCategoryViewModelAsync(int categoryId, int pageNumber,
int pageSize)
{
if (!await context.Categories.AnyAsync(x => x.Id == categoryId))
{
throw new ArgumentException(GlobalConstants.InvalidCategoryIdErrorMessage);
}
var adsViewModel = GetAllAdsByCategory(categoryId);
var paginatedAdsViewModel =
await PaginatedList <AdViewModel> .CreateAsync(adsViewModel, pageNumber, pageSize);
var allCategoriesViewModel = await categoriesService.GetAllCategoryViewModelsAsync();
var subcategoryViewModels =
await subCategoriesService.GetAdsByCategorySubcategoryViewModelsAsync(categoryId);
string categoryName = await categoriesService.GetCategoryNameByIdAsync(categoryId);
var adsByCategoryViewModel = CreateAdsByCategoryViewModel(paginatedAdsViewModel,
allCategoriesViewModel, categoryName, subcategoryViewModels, categoryId);
return(adsByCategoryViewModel);
}
public async Task GetAdsByCategorySubcategoryViewModelsAsync_WithValidData_ShouldReturnCorrectResult()
{
//Arrange
var expected = new List <AdsByCategorySubcategoryViewModel>
{
new AdsByCategorySubcategoryViewModel
{
Id = 1,
Name = "Phones"
},
new AdsByCategorySubcategoryViewModel
{
Id = 2,
Name = "Displays"
}
};
var context = InitializeContext.CreateContextForInMemory();
subcategoriesService = new SubCategoriesService(context);
var testSubcategories = new List <SubCategory>
{
new SubCategory
{
Id = 1,
CategoryId = 1,
Name = "Phones"
},
new SubCategory
{
Id = 2,
CategoryId = 1,
Name = "Displays"
}
};
var testCategory = new Category
{
Id = 1,
Name = "Electronics"
};
await context.Categories.AddAsync(testCategory);
await context.SubCategories.AddRangeAsync(testSubcategories);
await context.SaveChangesAsync();
//Act
var actual = await subcategoriesService.GetAdsByCategorySubcategoryViewModelsAsync(1);
Assert.Collection(actual,
elem1 =>
{
Assert.Equal(expected[0].Id, elem1.Id);
Assert.Equal(expected[0].Name, elem1.Name);
},
elem2 =>
{
Assert.Equal(expected[1].Id, elem2.Id);
Assert.Equal(expected[1].Name, elem2.Name);
});
Assert.Equal(expected.Count, actual.Count);
}
